Alpinestars Nucleon KR-3 Back Protector
SKU: 42095767667

Alpinestars Nucleon KR-3 Back Protector

Sale price$175.27 Regular price$194.74
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Shipping Estimate
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  • USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Alpinestars Nucleon KR-3 Back ProtectorThe Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are lightweight and feature a high performance polymeric blend for protection. Featuring new, modular rib protectors for strategic protection in a vulnerable area, the Nucleon KR 3 Protector offers excellent performance under an outer leather or textile garment. Construction: Back protector constructed in three waist to

The Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are lightweight and feature a high performance polymeric blend for protection. Featuring new, modular rib protectors for strategic protection in a vulnerable area, the Nucleon KR-3 Protector offers excellent performance under an outer leather or textile garment.

Construction:

  • Back protector constructed in three waist-to-shoulder dimensions in order to cover all the body size.
  • New structured back shell plate is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight-saving.
  • Protection incorporates hybrid construction with lattice shell with a new viscoelastic PU foam compound.
  • Horizontal flex channeling for adaptive fit in all riding positions.

Protection:

  • Back protector CE certified to EN 1621_2:2014 LEVEL 2.
  • New single-injected lattice structure shell constructed with ergonomic design to absorb high impacts and allow maximum breathability and air flow.
  • New soft viscoelastic PU foam compound on the central spine area for fit, comfort and impact absorption.
  • Convex design on the central hard shell provides highest level of protection of the spine.
  • New adjustable rib protector constructed from a high performance polymeric material blend for additional side protection.
  • New shoulder blade padding extensions to protect the impact areas.

Key Features:

  • Waist adjustment for customized fit and slim vented kidney belt for added position stability and security.
  • Adjustable and detachable elastic shoulder straps via snap fit system to allow a more comfortable use of the protector.
  • Compatible with the Nucleon KR-C protector.
  • Compatible with the Nucleon KR-TB protector.

The Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are lightweight and feature a high performance polymeric blend for protection. Featuring new, modular rib protectors for strategic protection in a vulnerable area, the Nucleon KR-3 Protector offers excellent performance under an outer leather or textile garment. Construction:

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42095767667

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4.6 ★★★★★
Based on 1377 reviews
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S
Verified Purchase
Susan H Garland
Los Angeles, US
★★★★★ 5
Get this If your hot in bed
Color: Champagne, Size: Queen
Very nice and silky.helps keep me cooler.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
E
Verified Purchase
Emily
Lowell, US
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
C
Verified Purchase
Cat Flo
Alexandria, US
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
K
Verified Purchase
kenneth e tompor
Battle Creek, US
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
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Reviewed in the United States on June 2, 2026
A
Verified Purchase
Andrew
Birmingham, US
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026

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